mail.apps4mobile.de - robtex.com

mail.apps4mobile.de

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:57fb🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:ab8b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.87.251Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.139🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.87.251, 172.67.171.139
IPv62606:4700:3034::6815:57fb, 2606:4700:3034::ac43:ab8b

apps4mobile.de

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:57fb🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:ab8b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.87.251Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.139🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmelnicoff.ns.cloudflare.com ⭐
NSryleigh.ns.cloudflare.com
MXmail.apps4mobile.de ⭐
TXTv=spf1 ip4:198.20.111.235 ip4:198.20.111.236 ip4:198.20.111.237 ip4:198.20.11...
TXTv=spf1 ip4:84.32.208.23 ip4:84.32.217.158 ip4:84.32.217.159 ip4:84.32.217.160...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.87.251, 172.67.171.139
IPv62606:4700:3034::6815:57fb, 2606:4700:3034::ac43:ab8b
SOAmelnicoff.ns.cloudflare.comdns@cloudflare.com serial=2397090580

MX for

apps4mobile.de

Same first word

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DNS History

4 records (4 active, 0 former)

A104.21.87.251172.67.171.1392606:4700:3034::6815:57fb2606:4700:3034::ac43:ab8b
●A104.21.87.2512026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 09:36:30
● 2026-03-26 08:48:12
●A172.67.171.1392026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 09:36:30
● 2026-03-26 08:48:12
●A2606:4700:3034::6815:57fb2026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 09:36:30
● 2026-03-26 08:48:12
●A2606:4700:3034::ac43:ab8b2026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 09:36:30
● 2026-03-26 08:48:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
apps4mobile.deryleigh.ns.cloudflare.com, melnicoff.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.198

NS records: ryleigh.ns.cloudflare.com, melnicoff.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for apps4mobile.de (unsigned zone)

⏱️ Timing

Total: 1161ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.171.139, 104.21.87.251
AAAA22606:4700:3034::6815:57fb, 2606:4700:3034::ac43:ab8b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

mail.apps4mobile.de serves as the mail server for apps4mobile.de.

IP Addresses

mail.apps4mobile.de resolves to four IPs: 2606:4700:3034::6815:57fb, 2606:4700:3034::ac43:ab8b, 104.21.87.251 and 172.67.171.139.

Other host names, for instance omfilms.co.za, littlewick-green.co.uk, serversfarm.com, calebbuscher.com and kissmybeauty.com share IP numbers with mail.apps4mobile.de.